Issue #8090 has been reported by headius (Charles Nutter).
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Feature #8090: resolv.rb checks platform based on RUBY_PLATFORM, which is insufficient for JRuby
https://bugs.ruby-lang.org/issues/8090
Author: headius (Charles Nutter)
Status: Open
Priority: Normal
Assignee:
Category: lib
Target version: next minor
JRuby shares stdlib with MRI, and as a result we've had to patch a number of things. We'd like to get some of these changes back into MRI's copy.
This issue refers to the following check in resolv.rb:
if /mswin|mingw|bccwin/ =~ RUBY_PLATFORM
require 'win32/resolv'
DefaultFileName = Win32::Resolv.get_hosts_path
else
DefaultFileName = '/etc/hosts'
end
Because RUBY_PLATFORM on JRuby is always 'java', this check will use the incorrect "hosts" path on Windows. This was reported as an issue in https://github.com/jruby/jruby/issues/580.
We had patched 1.8 stdlib but not 1.9 stdlib to use the following line for checking platform:
if /mswin|mingw|bccwin/ =~ RUBY_PLATFORM || ::RbConfig::CONFIG['host_os'] =~ /mswin/
I would like to commit this change back to MRI for 1.9.3, 2.0, and 2.1. It does not produce a behavioral change on MRI, since there's no supported platforms that will match /mswin/ for host_os, but it means we won't have to maintain a diff.
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